package com.tool_stdy.dbPool;

/**
 * Created by yan_li on 2017/1/13.
 */
public class PoolManager {

    private PoolManager() {

    }

    public static PoolServiceImpl getInstance() {
        return createPool.poolService;
    }

    private static class createPool {
        private static  PoolServiceImpl poolService = new PoolServiceImpl();
    }
}
